How it works:

This workout is comprised of four exercises: side plank twists, opposite shoulder touches, plank spider and oblique runners. For the first three exercises, do 10 reps on each side. Do the fourth exercise (oblique runners) for one full minute. Do the full core workout a total of three times.

Equipment:

Light dumbbell (2-5 lbs) or a large water bottle

Amanda Russell is a fitness expert, professional keynote speaker, Olympic-trained athlete, and founder of The AR Program. She can be found writing about life, fitness, wellness and change on her website, www.amanda-russell.com, and regularly posts new workout videos at AmandaRussell.TV.

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